/* Configurações Gerais */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    /* Cor de Gelo (Ice Blue/Grey) */
    background-color: #f0f4f7; 
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

/* Container Branco Central */
.main-container {
    background-color: #ffffff;
    width: 100%;
    max-width: 500px;
    padding: 50px 30px;
    border-radius: 20px;
    /* Sombra suave para dar profundidade sobre o fundo gelo */
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.logo-principal {
    max-width: 80%;
    height: auto;
    margin-bottom: 40px;
}

/* Lista de Links/Botões */
.nav-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 18px;
    text-decoration: none;
    color: #445; /* Cor de texto levemente azulada/cinza */
    background: #ffffff;
    border: 1px solid #e1e8ed; /* Borda sutil */
    border-radius: 12px;
    transition: all 0.25s ease-in-out;
}

.nav-item:hover {
    background: #f8fbff;
    border-color: #cbd5e0;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.nav-item img {
    margin-right: 20px;
    object-fit: contain;
    /* Deixa os ícones com um aspecto mais limpo */
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.05));
}

.nav-item span {
    font-weight: 500;
    font-size: 1.05rem;
}

/* Container de Anúncios */
.ads-container {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #f0f0f0;
}

/* Ajuste para Mobile */
@media (max-width: 480px) {
    .main-container {
        padding: 30px 20px;
    }
}